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ABB Error 39009 — Drive units fault

Error

ABB 39009 (“Drive units fault”): Motor current too high (overload or short circuit) on the specified drive unit. Likely part: Drive units (Drive units).

Updated 2026-10-22 · LogrobotLM reference

What it means

Motor current too high (overload or short circuit) on the specified drive unit.

What to check

  • Check for a jammed axis or a motor phase short circuit.
  • Replace the axis drive unit.
  • Note: On IRC5 this becomes the axis overcurrent or short-circuit failures (133319, 39464).

Part to check / replace

ABB 39009 points to the hardware below — start here before ordering.

Tap a part for every code that points to it — and verify the exact variant for your controller before ordering.

Related codes

32540Drive unit / firmware fault32541Drive unit / firmware fault39008Drive units fault

Same hardware involved

591Drive units33106Drive units33108Drive units39010Drive units

Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →